A switchblade is a type of knife with a folding or sliding blade contained in the
handle which is ..... State laws restricting or criminalizing switchblade possession
and use were adopted by an incr...

... and quick deployment and therefore has been made illegal in several
countries. ... Australian legal definition: A flick knife (or other similar device) that
has a blade ... Switchblades, however, are considered a weapon and therefore
are illegal.